This OEM filter measures 2.5 inches deep, 12.5 inches high, 5 inches wide and roughly 1.5 lbs. It is recommended to replace this filter every six months or 300 gallons, whichever comes first. If you notice an unpleasant taste in your water or it suddenly dispenses much slower, these are also common indications that a replacement is necessary. It filters sediment, dirt, rust, cysts, lead, mercury, and more. For proper use, operating pressure should be 30-120 PS, operating temperature should be 33-100 degrees Fahrenheit, with a flow rate of 0.5 gallons per minute. Installation is quick and easy and does not require the use of tools.